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This week, Donohue's family and friends have been saying they've learned he may have been experimenting with LSD, but they still want to know why officers had to use deadly force.

"How did this happen?" family friend Dr. Lauren McDaniel asked WPBF 25 News' Terri Parker in a telephone interview Thursday. "I understand that he was having a bad trip, that he was violent and he fought with the police and an altercation occurred, but how is it that he got killed Friday night? And the family is moving out of town and they don't find out until Sunday that their son is dead? We just want to understand what happened."

Friends said using LSD was out of character for Donohue, as was his having carjacked a taxi a short time before the shooting, police said.

Boca Raton Police Chief Dan Alexander told the media that night that Donohue was violent with the arresting officers, that one used a stun gun on him and the other shot him twice with a real gun.